---
title: "Harsh Patel - Software Engineer in Chikhli | Tal"
description: "Meet Harsh Patel, Backend Engineer · Distributed Systems, Auth & Event-Driven Architecture | Java · Spring Boot · Quarkus · RabbitMQ · AWS . PostgreSQL . Identity & Access Management (Keycloak) based in Chikhli. AI stack includes cursor, github copilot, and langchain."
image: "https://tal.club/meet/harsh-26/share-image"
---

# Harsh Patel on Tal

## Headline

Backend Engineer · Distributed Systems, Auth & Event\-Driven Architecture \| Java · Spring Boot · Quarkus · RabbitMQ · AWS \. PostgreSQL \. Identity & Access Management \(Keycloak\)

## About

I build the backend infrastructure that financial and B2B platforms depend on — auth systems, distributed services, event\-driven pipelines, and the kind of plumbing that has to work at 2am\. Over 3 years across TCS and GroveTech Solutions, I've shipped production\-grade systems in Java, Spring Boot, and Quarkus — with real stakes around security, reliability, and scale\. Things I've built that I'm proud of: \-Invite\-based onboarding \+ Keycloak identity system with TOTP\-based transaction approval — zero activation delay via real\-time token validation \-Event\-driven architecture on RabbitMQ using outbox pattern \+ idempotency keys to eliminate message duplication across distributed services \-Domain\-driven RBAC system replacing static Keycloak roles with backend\-managed, configurable permissions \-Quorum\-based transaction approval engine with configurable multi\-party rules \-Custom Keycloak SPI for secure OTP verification — deployed in production \-Built multithreaded CDR file\-processing system using ExecutorService, handling millions of records per run I care about systems that don't break silently\. Race conditions, gRPC failures, webhook inconsistencies, AWS deployment bugs — I've debugged and fixed all of these in production\. Currently open to: Senior Backend Engineer, Platform Engineer, or Applied Engineering roles at high\-growth or AI\-first companies where distributed systems and identity infrastructure are first\-class concerns\.

## Location

Chikhli

## AI stack

cursor

github copilot

langchain

openai

## Work experience

Software Engineer at GroveTech Solutions LLC, Oct 2025 \- Present · 9 mos, Surat, • Architected invite\-based user onboarding integrated with Keycloak, enabling real\-time activation and eliminating delays caused by scheduled workflows • Built an event\-driven messaging layer using RabbitMQ with outbox and idempotency patterns, preventing duplicate processing across 3\+ distributed services • Designed and implemented a quorum\-based transaction approval engine with configurable business rules supporting multi\-party authorization for high\-value transactions • Replaced static Keycloak role management with a domain\-driven RBAC system, enabling dynamic permission updates without application redeployment • Integrated TOTP\-based multi\-factor authentication for login and transaction approval workflows using Google Authenticator • Developed custom Keycloak SPI extensions for secure server\-side authentication and verification flows • Investigated and resolved race conditions and gRPC thread pool bottlenecks, improving system stability under concurrent workloads • Implemented retry, compensation, and failure\-handling mechanisms for distributed services running on AWS ECS • Integrated third\-party KYB and identity verification APIs for compliant business onboarding workflows • Diagnosed and resolved production issues involving webhook delivery, deployment failures, and event consistency across services

Freelancer & Skill Development at Self\-Employed, Sep 2023 \- Sep 2025 · 2 yrs 1 mo, Gujarat, India, \-Built 2 full\-stack applications \(Spring Boot \+ React/Next\.js\) exploring authentication flows, REST API design, and frontend fundamentals \-Studied system design at HLD/LLD depth — distributed consensus, event sourcing, CQRS, and auth protocol internals \-Prepared for and completed GRE/IELTS as part of an international study plan

Assistant System Engineer at Tata Consultancy Services, Feb 2022 \- Mar 2023 · 1 yr 2 mos, Mumbai, • Developed backend services using Spring Boot, Hibernate, and AOP for user and organization management • Designed role\-based systems with hierarchical organization structures • Improved concurrency handling, reducing failure rate from \~25% to under 10% under load • Built and maintained 300\+ SoapUI test cases with encrypted parameter handling • Implemented GDPR\-compliant data encryption scripts \(Bash\) • Developed multithreaded file\-processing system using ExecutorService for CDR generation • Optimized logging strategy, reducing storage usage by \~90% while maintaining observability • Proposed and implemented POC for centralized logging using ELK stack\.

Assistant System Engineer\- Trainee at Tata Consultancy Services, Feb 2021 \- Jan 2022 · 1 yr, Mumbai

## Education

Bachelor of Engineering, Information Technology, Gujarat Technological University \(GTU\)

Quantum Computing \(Foundation\), Frontier Technology Institute

[View the original profile](https://tal.club/meet/harsh-26)

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